100LL

AcronymDefinition
100LL100 octane Low Lead (Common Aviation Gasoline)
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The lawsuits and the potential for regulation combined with concerns about rising avgas prices, declining use of piston-engine aircraft that burn the fuel, and the future of TEL supplies, which come from a single manufacturer, convinced the aviation industry that the time had come to find an alternative to 100LL, says Rob Hackman, vice president of regulatory affairs at the Aircraft Owners and Pilots Association (AOPA).
100LL (100-octane, Low Lead) aviation gas is the most popular fuel for light aircraft and the greatest remaining source of lead air pollution in the U.
The aircraft in question uses 160lbs per hour of AVGAS 100LL fuel which contains a maximum of 0.
This research, combined with the EAA's Wisconsin flight tests, will be useful in the development of an unleaded high-octane gasoline to replace the current highly leaded 100LL aviation gasoline.
Thanks to the real-time fuel price information, pilots will no longer need to wonder where they can find the cheapest 100LL and jet fuel.
The company's focus now includes advancing efforts to finalize the FAA's certification of high octane unleaded avgas by the FAA's Piston Aviation Fuel Initiative (PAFI) for use in airplanes currently fueled by 100LL.
The current fuel, 100LL (or low-lead), in fact contains much less lead than the aviation gasoline it replaced, 100/130 octane (green gas).
New York (AirGuide - Airline & Travel News) Thu, Feb 27, 2014 - Congressional appropriations committees are looking to increase funding for research that seeks to find alternative to 100LL fuel, according to the General Aviation Manufacturers Association.
While the long-awaited unleaded replacement for 100LL might not quite be ready for the fuel farm, as of early December 2013, it looked to be at least hovering over the horizon.
Michael Kraft of Lycoming, who has been long working toward a 100LL alternative, says that the switch to unleaded gasoline will benefit pilots.
The FAA says it may not be "technically feasible" to find a true drop-in replacement for 100LL that will work fleet-wide.
The general aviation industry each year uses nearly 570 million gallons of 100LL aviation fuel, which is toxic, increasingly expensive and non-renewable.